CN2731174Y - Multi-purpose Throttle type adjustable shock-damper - Google Patents
Multi-purpose Throttle type adjustable shock-damper Download PDFInfo
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- CN2731174Y CN2731174Y CN 200420027668 CN200420027668U CN2731174Y CN 2731174 Y CN2731174 Y CN 2731174Y CN 200420027668 CN200420027668 CN 200420027668 CN 200420027668 U CN200420027668 U CN 200420027668U CN 2731174 Y CN2731174 Y CN 2731174Y
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Abstract
The utility model relates to a multi-purpose throttle type adjustable shock-damper with the electronic controlled type adopted to adjust the internal throttle structure. A throttle gate adjustable device is composed of a stepping motor, a hall sensor block, a valve core rod, a valve core, a hollow piston rod, a throttle gate and a liquid passage double threaded screw, the valve core rod drives the valve core to rotate, and the relative position of the throttle gate to the valve core changes with the rotation, which makes the area of the adjustable throttle gate change and changes the damping coefficient of the shock-damper at last. The stepping motor drives the valve core rod to adjust the position of the valve core, the Hall sensor can locate the adjustable throttle gate accurately and can also measure the operating state of the shock-damper, the liquid passage double threaded screw connects the piston and the hollow piston rod and realizes the through-flow of the adjustable throttle gate device. The damping coefficient can be adjusted continuously in a large range and the response is quick. The utility model which can be used widely is applicable to various semiactive suspension controls under the requirements of different control strategies or the tests of passive suspension performance optimization.
Description
Technical field
The utility model patent relates to vehicle component, refer in particular to a kind of multipurpose restriction formula adaptive transmission control that adopts electronic control type to regulate inner throttle structure, can realize the adjustable continuously of resistance of shock absorber coefficient, when vehicle driving, can change the damping of suspension, thereby realize the double requirements of vehicle smoothness and Security according to actual pavement behavior.
Background technique
At present, both at home and abroad vehicle generally adopts the passive suspension of fixedly damping and rigidity value, can not satisfy under different road traveling conditions vehicle to the double requirements of smoothness and Security, and is extremely limited to the improvement of suspension property by optimal design.The Adjustable Damping semi-active suspension has been broken through the restriction of passive suspension, realizes effective improvement of suspension property under the prerequisite of low energy consumption.Adaptive transmission control is one of semi-active suspension system core parts, and its control mode can be divided in real time stepless adjustable, the damping of damping has level adjustable according to stepless mediation of road conditions according to road conditions.Adaptive transmission control carries out work according to the control strategy of semi-active suspension electric control part component selections, control strategy commonly used at present has skyhook damping control strategy, optimal control, self adaptive control, fuzzy control and ANN (Artificial Neural Network) Control etc., presents combination of various control strategy and Intelligent Developing Trends at present.
At present domestic still do not have adaptive transmission control to be applied to real vehicle, and its problem that mainly exists has: (1) existing abroad application example, but the complex structure cost of production is higher, only uses in the minority high-grade car, is difficult to popularize at home; (2) existing adaptive transmission control majority is two-stage or multistage Adjustable Damping, and damp adjustable range is limited, and the control effect is relatively poor; (3) domestic existing adaptive transmission control majority is reequiped by passive suspension shock-absorber, designs simple and crude unreasonable structure, is difficult to competent semi-active suspension control requirement; (4) the restriction structural design is one of adaptive transmission control design key, instructs owing to lack theory analysis, and existing adjustable mouth structure design is unreasonable, and is bigger to the control influential effect; (5) the adaptive transmission control exploitation lags behind the research of semi-active suspension control strategy greatly, and the research of both matching relationships is left in the basket always, has hindered the application of domestic semi-active suspension aspect real vehicle.
Summary of the invention
The purpose of this utility model provides a kind of multipurpose restriction formula adaptive transmission control, realize that in a big way damping is adjustable continuously, satisfy semi-active suspension real vehicle control requirement, under arbitrary restriction aperture, can be equal to the fixedly passive suspension shock-absorber of damping constant simultaneously.
The technological scheme that realizes the purpose of this utility model is:
Analyze of the influence of cartridge type hydraulic shock absorber throttle structure to damping constant, in conjunction with of the control requirement of most of control strategies to adaptive transmission control, the adjustable damping restriction structure of design new structure.
This vibration damper comprises the stepper motor that is fixed in the shock absorber dirt shield and coupled vibration damper tube, clutch release slave cylinder, the piston rod of the sheathed from outside to inside oil storage cylinder of vibration damper tube, band bottom valve, it is characterized in that adopting inside to be provided with the box type piston bar of belt spool bar, valve core rod is fixedlyed connected with spool, the box type piston bar is provided with restriction and cooperates formation can regulate head piece with spool, between stepper motor and valve core rod, be provided with the Hall transducer piece, the logical liquid screw rod of double end connects piston and box type piston bar, realizes the through-flow of can regulate head piece device simultaneously.The stretching valve that between piston and tightening nut, exists the stretching valve block to constitute.
Wherein spool can be designed to the cylinder wedge shape, and restriction is a circular groove type hole that cooperates with it, and both relative positions change and form adjustable restriction.
Its working procedure is as follows:
When vehicle driving during on different road surface, the semi-active suspension controller sends control impuls according to detected signal to the stepper motor of adaptive transmission control, the stepper motor driven valve core bar carries out the restriction adjustment and changes the resistance of shock absorber coefficient, finally obtains desirable suspension damping force.When stepper motor driven valve element position departed from, the Hall transducer piece can record bias and feed back to controller outside, was corrected by controller control step motor.In addition, when this adaptive transmission control was tested as passive suspension property, the can regulate head piece can be fixed on some position that needs, and this moment, damping constant was determined thereupon.
The characteristics of this model utility are:
(1) simple in structure and easy to process, good reliability.
(2) when valve core rotation, the variable choke area variation is approximately linear, makes the resistance of shock absorber coefficient take place to change continuously, and variation tendency is milder, and the damping change scope is bigger, can more accurately obtain stepper motor corner and restriction variation relation.
(3) can satisfy most control strategy to the requirement that restriction changes, be convenient to the coupling of adaptive transmission control and semi-active suspension system.
(4) when spool is fixed on certain position, adaptive transmission control can wait the passive suspension shock-absorber that is all a certain fixedly damping value, and it is applied to vehicle suspension performance optimization real train test, reduces experimentation cost greatly.
The advantage that this model utility is outstanding is to control in conjunction with multiple semi-active suspension control strategy, also can be applied to the research of passive suspension property optimization Test simultaneously, and application of semi-active suspension real vehicle and popularization are become a reality.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is further specified:
Fig. 1 is the schematic representation according to an embodiment of the present utility model.
Fig. 2 is the schematic representation of wedge shape valve core in the adjustable mouth structure.
Fig. 3 is the left view of Fig. 2.
Fig. 4 is the schematic representation of trough type restriction in the adjustable mouth structure.
Fig. 5 is the left view of Fig. 4.
Fig. 6 is the logical liquid screw rod schematic representation of double end.
Fig. 7 is the utility model embodiment's the stepper motor corner and the relation curve of resistance of shock absorber index variation.
1-stepper motor 2-Hall transducer piece 3-valve core rod 4-spool 5-clutch release slave cylinder 6-stretching valve 7-bottom valve 8-compression valve 9-dust-proof cover 10-box type piston bar 11-restriction 12-oil storage cylinder 13-piston 14-double end is led to liquid screw rod 15-tightening nut 16-connecting-rod cap
Embodiment
As shown in Figure 1, the clutch release slave cylinder (5) among the utility model embodiment, bottom valve (7) and oil storage cylinder (12) etc. can adopt passive suspension shock-absorber part as using part.
It comprises the stepper motor (1) that is fixed in the shock absorber dirt shield and coupled vibration damper tube, the clutch release slave cylinder (5) and the piston rod of the sheathed from outside to inside oil storage cylinder of vibration damper tube (12), band bottom valve (7), it is characterized in that piston rod is the box type piston bar (10) that inside is provided with belt spool bar (3), valve core rod (3) and spool (4) seam, spool (4) is the cylinder wedge shape, restriction (11) is the last circular groove type hole of box type piston bar (10), and both relative positions change and form adjustable restriction.Between stepper motor (1) and valve core rod (3), be provided with Hall transducer piece (2), be used for accurately locating can regulate head piece position and measure the vibration damper working state.
Box type piston bar (10) obtained with cooperating by increasing by one section hollow double threaded screw (14) of piston (13).Method by control fitting surface surface accuracy and increase seal ring between spool (4) and the box type piston bar (10) seals.
Between piston (13) and tightening nut (15), be provided with stretching valve (6), constitute by circle thin plate stretching valve block.
Present existing adaptive transmission control can realize that generally the adjustable damping coefficient scope is 1.0KN.s/m～2.0KN.s/m, and survey routine test result and show: the utility model can reach 0.9KN.s/m～3.6KN.s/m, as shown in Figure 7.
The utility model can realize in a big way that damping constant is adjustable continuously, can not only adapt to the requirement of most of semi-active suspension control strategies, the paces of semi-active suspension success entrucking have been accelerated, and can also be used as the test apparatus of passive suspension property optimization Test, purposes is extensive and can reduce experimentation cost greatly.
Claims (3)
1. multipurpose restriction formula adaptive transmission control, it comprises the stepper motor (1) that is fixed in shock absorber dirt shield (9) lining and coupled vibration damper tube, the sheathed from outside to inside oil storage cylinder of vibration damper tube (12), the clutch release slave cylinder (5) and the piston rod of band bottom valve (7), it is characterized in that piston rod is the box type piston bar (10) that inside is provided with belt spool bar (3), valve core rod (3) is fixedlyed connected with spool (4), box type piston bar (10) is provided with restriction (11) and cooperates formation can regulate head piece with spool (4), between stepper motor (1) and valve core rod (3), be provided with Hall transducer piece (2), the stretching valve (6) that between piston (13) and tightening nut (15), exists the stretching valve block to constitute.
2. a kind of multipurpose restriction formula adaptive transmission control according to claim 1, it is characterized in that spool (4) is the cylinder wedge shape, restriction (11) is the last circular groove type hole of box type piston bar (10), and both relative positions change and form adjustable restriction.
3. a kind of multipurpose restriction formula adaptive transmission control according to claim 1 is characterized in that adopting between box type piston bar (10) and the piston (13) the logical liquid screw rod (14) of double end of hollow to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420027668 CN2731174Y (en) | 2004-06-07 | 2004-06-07 | Multi-purpose Throttle type adjustable shock-damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420027668 CN2731174Y (en) | 2004-06-07 | 2004-06-07 | Multi-purpose Throttle type adjustable shock-damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2731174Y true CN2731174Y (en) | 2005-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420027668 Expired - Fee Related CN2731174Y (en) | 2004-06-07 | 2004-06-07 | Multi-purpose Throttle type adjustable shock-damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2731174Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102057180B (en) * | 2008-06-05 | 2014-01-29 | 坦尼科汽车操作有限公司 | Nested check high speed valve |
| CN103883663A (en) * | 2012-12-20 | 2014-06-25 | 北汽福田汽车股份有限公司 | Damper, vibration damping control system and automobile |
| CN104712699A (en) * | 2013-06-25 | 2015-06-17 | 苏州唐氏机械制造有限公司 | Buffer |
| CN104712700A (en) * | 2013-06-25 | 2015-06-17 | 苏州唐氏机械制造有限公司 | Two-stage buffer with temperature detection device |
| CN104776144A (en) * | 2013-06-25 | 2015-07-15 | 苏州唐氏机械制造有限公司 | Buffer |
| CN109606221A (en) * | 2018-11-14 | 2019-04-12 | 吉林大学珠海学院 | A kind of barbed chair and its method of adjustment |
| CN112815032A (en) * | 2021-02-02 | 2021-05-18 | 重庆国贵赛车科技股份有限公司 | Shock absorber |
| CN114635988A (en) * | 2022-03-16 | 2022-06-17 | 江苏江沅机械有限公司 | Fixed throttling stop valve |
-
2004
- 2004-06-07 CN CN 200420027668 patent/CN2731174Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102057180B (en) * | 2008-06-05 | 2014-01-29 | 坦尼科汽车操作有限公司 | Nested check high speed valve |
| CN103883663A (en) * | 2012-12-20 | 2014-06-25 | 北汽福田汽车股份有限公司 | Damper, vibration damping control system and automobile |
| CN104712699A (en) * | 2013-06-25 | 2015-06-17 | 苏州唐氏机械制造有限公司 | Buffer |
| CN104712700A (en) * | 2013-06-25 | 2015-06-17 | 苏州唐氏机械制造有限公司 | Two-stage buffer with temperature detection device |
| CN104776144A (en) * | 2013-06-25 | 2015-07-15 | 苏州唐氏机械制造有限公司 | Buffer |
| CN109606221A (en) * | 2018-11-14 | 2019-04-12 | 吉林大学珠海学院 | A kind of barbed chair and its method of adjustment |
| CN112815032A (en) * | 2021-02-02 | 2021-05-18 | 重庆国贵赛车科技股份有限公司 | Shock absorber |
| CN114635988A (en) * | 2022-03-16 | 2022-06-17 | 江苏江沅机械有限公司 | Fixed throttling stop valve |
| CN114635988B (en) * | 2022-03-16 | 2022-12-13 | 江苏江沅机械有限公司 | Fixed throttling stop valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |